291785220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{540343}}^1$

素因数の和:540361

約数の個数: 48

約数和(自身を含む): 907777920

約数和(自身を除く): 615992700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 540343, 1080686, 1621029, 2161372, 2701715, 3242058, 4863087, 5403430, 6484116, 8105145, 9726174, 10806860, 14589261, 16210290, 19452348, 24315435, 29178522, 32420580, 48630870, 58357044, 72946305, 97261740, 145892610, 291785220]

約数ペア:

[(1, 291785220), (2, 145892610), (3, 97261740), (4, 72946305), (5, 58357044), (6, 48630870), (9, 32420580), (10, 29178522), (12, 24315435), (15, 19452348), (18, 16210290), (20, 14589261), (27, 10806860), (30, 9726174), (36, 8105145), (45, 6484116), (54, 5403430), (60, 4863087), (90, 3242058), (108, 2701715), (135, 2161372), (180, 1621029), (270, 1080686), (540, 540343)]